EP3820599A4 - Devices and methods for water treatment - Google Patents

Devices and methods for water treatment Download PDF

Info

Publication number
EP3820599A4
EP3820599A4 EP19834637.1A EP19834637A EP3820599A4 EP 3820599 A4 EP3820599 A4 EP 3820599A4 EP 19834637 A EP19834637 A EP 19834637A EP 3820599 A4 EP3820599 A4 EP 3820599A4
Authority
EP
European Patent Office
Prior art keywords
methods
devices
water treatment
treatment
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19834637.1A
Other languages
German (de)
French (fr)
Other versions
EP3820599A1 (en
Inventor
Kunzhou LI
Byeongho LEE
Zisong NIE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Tetrels Material Tech Co Ltd
Shanghai Tetrels Material Technology Co Ltd
Original Assignee
Shanghai Tetrels Material Tech Co Ltd
Shanghai Tetrels Material Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Tetrels Material Tech Co Ltd, Shanghai Tetrels Material Technology Co Ltd filed Critical Shanghai Tetrels Material Tech Co Ltd
Publication of EP3820599A1 publication Critical patent/EP3820599A1/en
Publication of EP3820599A4 publication Critical patent/EP3820599A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0053—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/006—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
    • B01D67/0062—Inorganic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods by micromachining techniques, e.g. using masking and etching steps, photolithography
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/009—After-treatment of organic or inorganic membranes with wave-energy, particle-radiation or plasma
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/021—Carbon
    • B01D71/0211—Graphene or derivates thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/02—Hydrophilization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/62—Cutting the membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/38—Hydrophobic membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Nanotechnology (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP19834637.1A 2018-07-11 2019-07-10 Devices and methods for water treatment Pending EP3820599A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862696636P 2018-07-11 2018-07-11
PCT/US2019/041204 WO2020014359A1 (en) 2018-07-11 2019-07-10 Devices and methods for water treatment

Publications (2)

Publication Number Publication Date
EP3820599A1 EP3820599A1 (en) 2021-05-19
EP3820599A4 true EP3820599A4 (en) 2022-04-13

Family

ID=69142756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19834637.1A Pending EP3820599A4 (en) 2018-07-11 2019-07-10 Devices and methods for water treatment

Country Status (4)

Country Link
US (1) US20210253455A1 (en)
EP (1) EP3820599A4 (en)
CN (1) CN112512671B (en)
WO (1) WO2020014359A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130270188A1 (en) * 2012-03-15 2013-10-17 Massachusetts Institute Of Technology Graphene based filter
US20150209734A1 (en) * 2014-01-29 2015-07-30 Gordon Chiu Molecular Filter
WO2016089055A1 (en) * 2014-12-01 2016-06-09 고려대학교 산학협력단 Nano separation membrane structure and method for manufacturing same
WO2018100384A1 (en) * 2016-11-30 2018-06-07 The University Of Manchester Water filtration
US20180170002A1 (en) * 2014-03-12 2018-06-21 Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) A composite film including a graphene oxide coating layer, a porous polymer support including the same and a method for preparing the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100323177A1 (en) * 2007-05-14 2010-12-23 Northwestern University Graphene oxide sheet laminate and method
FI122511B (en) * 2009-02-26 2012-02-29 Valtion Teknillinen Graphene-containing flakes and procedure for exfoliating the graphene
US9890043B2 (en) * 2009-08-14 2018-02-13 Northwestern University Sorting two-dimensional nanomaterials by thickness
US8361321B2 (en) * 2010-08-25 2013-01-29 Lockheed Martin Corporation Perforated graphene deionization or desalination
KR101926832B1 (en) * 2012-09-28 2018-12-07 주식회사 엘지화학 Separation membrane, method for preparing thereof, unit for purification, and their use
US20140311967A1 (en) * 2013-03-15 2014-10-23 Massachusetts Institute Of Technology Porous materials and methods including nanoporous materials for water filtration
WO2015026848A2 (en) * 2013-08-23 2015-02-26 Energysolutions, Inc Systems and methods for isotopic water separation
WO2015116857A2 (en) * 2014-01-31 2015-08-06 Lockheed Martin Corporation Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer
US10456754B2 (en) * 2014-08-08 2019-10-29 University Of Southern California High performance membranes for water reclamation using polymeric and nanomaterials
CN105541328A (en) * 2015-12-16 2016-05-04 无锡市惠诚石墨烯技术应用有限公司 Graphene oxide based method for preparing highly oriented pyrolytic graphite film
CN105854605B (en) * 2016-05-19 2019-01-11 清华大学 A kind of filter device of the filter membrane using two-dimentional micro Nano material
US10014519B2 (en) * 2016-08-22 2018-07-03 Nanotek Instruments, Inc. Process for producing humic acid-bonded metal foil film current collector
US11547972B2 (en) * 2017-07-24 2023-01-10 Northeastern University Porous membranes comprising nanosheets and fabrication thereof
CA3101476A1 (en) * 2018-06-25 2020-01-02 2599218 Ontario Inc. Graphene membranes and methods for making graphene membranes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130270188A1 (en) * 2012-03-15 2013-10-17 Massachusetts Institute Of Technology Graphene based filter
US20150209734A1 (en) * 2014-01-29 2015-07-30 Gordon Chiu Molecular Filter
US20180170002A1 (en) * 2014-03-12 2018-06-21 Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) A composite film including a graphene oxide coating layer, a porous polymer support including the same and a method for preparing the same
WO2016089055A1 (en) * 2014-12-01 2016-06-09 고려대학교 산학협력단 Nano separation membrane structure and method for manufacturing same
WO2018100384A1 (en) * 2016-11-30 2018-06-07 The University Of Manchester Water filtration

Also Published As

Publication number Publication date
WO2020014359A1 (en) 2020-01-16
US20210253455A1 (en) 2021-08-19
CN112512671B (en) 2023-06-30
EP3820599A1 (en) 2021-05-19
CN112512671A (en) 2021-03-16

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